4 Months on T

So it has been 4 months since I started Testosterone. I am on Androgel which is the gel form of testosterone. I choose to go that way because of my opera voice as well as my body being sensitive to new drugs.  A lot of things have changed for me. I kept my mustache from no shave November and it is no longer peach fuzz . It still is light but has some darkness coming in. I also get dark stubble on my chin and under  my chin and a little on my neck. It comes in patchy so I usually shave it but for this week and the next I’m just going to let it grow out some and see what it looks like and if I don’t like it then I will shave it all off.  Also my voice has dropped noticeably. I didn’t hear it but my friends have and told me I sound way different than before and that my voice has gone from a low alto to a baritone. I have tried singing lately and I can’t hit the high notes that well but am getting a small falsetto. I can sing lower now. I can sing as a low tenor and it is a lot more comfortable for me. Also due to going through second puberty I have gained some acne and I think this stuff has gottenworse than the first time. When I went through puberty the first time I only got acne on my face and it was just a zit here or there and I could get rid of them easily. Well second time around is not that easy. For the acne is on my back and shoulders and sometimes they are hard to reach to clean in the shower. Also I am turning into a fuzzy wazzy. My whole stomach is covered in dark hair and I have an interesting large happy trail now. Have not received any chest hairs yet but I know they will pop up eventually. Also my sex drive has been off the chain.  I have become a teenage boy and I am 25. That is it for the update.